RaceTec AutoTec Dome Forged Piston - 4.310 in Bore - Big Block Chevy (Set of 8) Engine Oil 438 in OD x 5

438 in OD x 5 in Long

3-1/8" flat height

1989-1990 GMC Tracker

715 in Spring ID

Simpson's Hybrid Pro Sport

RaceTec AutoTec Dome Forged Piston - 4.310 in Bore - Big Block Chevy (Set of 8) Engine Oil 438 in OD x 5Product Description: Piston AutoTec Dome Forged 4. 310 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Plus 47. 40 cc Big Block Chevy Set of 8 RaceTec Pistons was founded by Wayne Brooks, and is his second venture into the piston manufacturing industry. In addition to owning a successful aerospace manufacturing company for years, Wayne was an avid racer. He has always modified engines, and has raced everythingboats, motorcycles, even airplanes. Wayne was